Extruder for flexibles (ender 5, 3 etc.)
thingiverse
I downloaded a CAD file of the stock extruder from grabcad.com, modified it to accommodate an M10 bowden tube coupling. After printing, tap an M10 thread into the part. Insert the bowden tube and trim the end to resemble an arrow, ensuring it doesn't interfere with the extruder gear and idler bearing. This design allows for a straightforward bowden tube installation, creating a confined filament path that minimizes friction in the coupling. I successfully tested this setup using ninjaflex on my Ender-5 3D printer, achieving excellent results!
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